The transportation GHG emission of raw materials rank second place in the raw material
extraction stage, with the results of 1.12 kgCO2e/m2 for all thicknesses, 1.11 kgCO2e/m2 for 1.5 ± 0.1
mm, 1.12 kgCO2e/m2 for 1.7 ± 0.1 mm and 1.14 kgCO2e/m2 for 1.9 ± 0.1 mm of finished leather(as
show in Table 1).I